活动座椅
- 网络Movable seats;self-folding seat
活动座椅-
摇摇机器人（rockaRoo）总部设于匹兹堡（Pittsburgh）的公司4moms建造了摇摇机器人rockaRoo，该设备可以感应婴儿的体重，每秒钟数百次地追踪婴儿的坐姿，并可通过一个底部活动的座椅反复摇摆。
rockaRoo A company based in Pittsburgh , 4moms , built the rockaRoo to track a baby 's weight and seat position hundreds of times per second , and replicate the rocking motion with a seat that pivots at the bottom .